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Finding the Fourth Proportional to 518,100.14, 776,927.86 and 181,039.70

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Solution

The fourth proportional to 518,100.14, 776,927.86 and 181,039.70 is: 271,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,100.14 : 776,927.86 = 181,039.70 : x
  2. Step 2: Convert to fraction form
    518,100.14/776,927.86 = 181,039.70/x
  3. Step 3: Cross multiply
    518,100.14x = 776,927.86 × 181,039.70
  4. Step 4: Simplify right side
    518,100.14x = 140,654,786,696.04
  5. Step 5: Solve for x
    x = 140,654,786,696.04/518,100.14
  6. Step 6: Final answer
    x = 271,481.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.